- hepatic localization and / or lung (up to 3 if one organ metastasis or 3 in total if the two bodies are metastatic). The largest diameter of the metastasis will < ou = 6cm for the liver, < or = 6 cm for the lung. If multiple metastases, the sum of their maximum diameter is 6cm < ou = the liver, < ou = 6 cm for the lung.